%0 Journal Article %A Halina Swiatak %T On the Regularity of the Distributational and Continuous Solutions of the Functional Equations ... . %J Aequationes mathematicae %D 1968 %P 6-19 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1968__1_135936/ %F AM2_1968__1_135936